Try putting an electrode soaked in saline solution on your head and another strapped to your leg, then slamming 2,000 volts between them. If it hurts, let me know.
11 seconds sound clip from the The Tingler (1959) movie soundboard.
You can hear this line at 00:04:03 in the Blu-ray version of the movie.
Quote context
[...]
- We weren't friends, exactly.
- I had a pass to the execution, and I mean...
- Does it always kill them in the chair?
- I've never heard of it failing.
- Well, in the chair, does it hurt them?
- Not if it's done properly. At least, I don't think so.
- Well, if it works, then why this?
- I've never found it to be necessary. But it happens to be the law.
- An autopsy must be performed immediately after the execution.
- Interesting. This man's vertebrae are cracked. They're nearly splintered in two.
[...]